package trucaso;

import javax.swing.filechooser.FileFilter;
import java.io.File;

public class ImageFilter extends FileFilter {

	public boolean accept(File f) {
		if (f.isDirectory()) {
	           return true;
        }
        String extension = getExtension(f);
        if (extension != null) {
        	if(extension.equals("png")||extension.equals("jpeg")||extension.equals("jpg")||extension.equals("gif")) {
                    return true;
            } else {
                return false;
            }
        }

        return false;
    }
		
    public static String getExtension(File f) {
        String ext = null;
        String s = f.getName();
        int i = s.lastIndexOf('.');
        if (i > 0 &&  i < s.length() - 1) {
            ext = s.substring(i+1).toLowerCase();
        }
        return ext;
    }
	      
		
    public String getDescription() {
        return "jpeg, gif or png Images";
    }
}

